.set_col{
	width: 400px;
	display: flex;
	margin: auto;
}
.set_col>div{
	margin-left: 20px;
	width: 15%;
	margin: auto;
}
.set_col>div>div{
	width: 45px;
	height: 20px;
	display: inline-block;
	border-radius: 5%;
}
.set_col input{
	outline: none;
	border: none;
	border: 1px dashed #aaa;
	border-radius: 10%;
	width: 40px;
}
.set_col>div>.show_r{
	background-color: #f44;
}
.set_col>div>.show_g{
	background-color: #4f4;
}
.set_col>div>.show_b{
	background-color: #44f;
}
.result{
	width: 10%!important;
	border-radius: 10%;
	height: 40px;
}

.clear{
	background-color: #000000;
	color: #fff;
	width: 10%!important;
	border-radius: 10%;
	height: 40px;
	line-height: 40px;
	text-align: center;
}

.outer{
	margin: 80px auto;
	width: 600px;
	height: 600px;
	font-size: 0;
	border: 1px solid #faa;
	border-top: 0px;
	border-left: 0px;
}
.son{
	display: inline-block;
	box-sizing: border-box;
	width: 10px;
	height: 10px;
	background-color: #505090;
	border-top: 1px  solid #faa;
	border-left: 1px  solid #faa;
}

.son1{
	border: 1px solid red;
	background-color: black;
}
*{
	user-select: none;
}